大约有 15,208 项符合查询结果(耗时:0.0277秒) [XML]
Adding n hours to a date in Java?
...oes exactly what Nikita's answer does, but this is very simple and easy to read. Plus, if you already use Apache Commons / Lang... why not?
– Matt
Feb 13 '18 at 16:01
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Binding to static property
...leton:
public class VersionManager : DependencyObject {
public static readonly DependencyProperty FilterStringProperty =
DependencyProperty.Register( "FilterString", typeof( string ),
typeof( VersionManager ), new UIPropertyMetadata( "no version!" ) );
public string FilterSt...
find: missing argument to -exec
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That's about the best description i've read on -exec. It's extremely powerful but I always find it difficult to get the right syntax for it. This made a few things much clearer. Particularly wrapping the command in the separate shell. Nice. Thanks.
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Getting a slice of keys from a map
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@VinayPai it is okay to read from a map from multiple goroutines but not write
– darethas
Dec 1 '17 at 2:38
1
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Using String Format to show decimal up to 2 places or simple integer
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@BrainSlugs83: depending on the current thread's CurrentCulture, decimal separator might not be .. Unless CultureInfo.InvariantCulture is used with string.Format, you would have to check the value of CultureInfo.NumberFormat.NumberDecimalSeparator, and that would be ...
Change one value based on another value in pandas
...a there.
Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, ...
MySQL select 10 random rows from 600K rows fast
... past a certain point because MySQL has to actually sort ALL records after reading each one; once that operation hits the hard disc you can feel the difference.
– Ja͢ck
Apr 10 '13 at 7:48
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AngularJs event to call after content is loaded
I have a function which I want to call after page content is loaded. I read about $viewContentLoaded and it doesn't work for me. I am looking for something like
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How to prettyprint a JSON file?
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The json module already implements some basic pretty printing with the indent parameter that specifies how many spaces to indent by:
>>> import json
>>>
>>> your_json = '["foo", {"bar":["baz", null, 1.0, 2]}]'
>&...
Running Composer returns: “Could not open input file: composer.phar”
I am new to symfony2 and reading symblog . In third chapter while trying with data-fixtures I tried the command:
36 Answe...